/**
  * Overrides \Drupal\views\Plugin\views\HandlerBase::init().
  */
 public function init(ViewExecutable $view, DisplayPluginBase $display, array &$options = NULL)
 {
     parent::init($view, $display, $options);
     // Initialize the original handler.
     $this->handler = Views::handlerManager('sort')->getHandler($options);
     $this->handler->init($view, $display, $options);
 }